Heat exchange – With coated – roughened or polished surface
Reexamination Certificate
2007-09-11
2007-09-11
Flanigan, Allen J. (Department: 3744)
Heat exchange
With coated, roughened or polished surface
C165S906000
Reexamination Certificate
active
11503674
ABSTRACT:
The invention relates to a heat exchanger comprising a supercritical carbon-dioxide circuit comprising a plurality of tubes (1).The heat exchanger is original in that at least one section of the tubes (1) have surface irregularities (3) on their inner surface. These irregularities (3) are located within a zone (6) extending as far as a point located at a distance from the inlet (7) of the tube of maximum 400 times the diameter of the tube.
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Zilly, J. et al., “Condensation of Co2at Low Temperatures in Micro-Finned Horizontal Tubes,” International Congress of Refrigeration 2003, Washington, DC, Aug. 17, 2003, *Abstract*.
Bruch Arnaud
Colasson Stéphane
Burr & Brown
Commissariat a l''Energie Atomique
Flanigan Allen J.
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